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    80A 3-phase EMI Line Filter, 2 Stage

    80A 3-phase 3-wire EMI line filter, dual stage, rated voltage 250/440V AC 50/60Hz, threaded stud connection, excellent performance in differetial mode, best filter for printing equipment, servo system, UPS, etc.
    SKU: ATO-EMI-2080
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    80A EMI power line filter in dual-stage configuration, is widely used in the printing equipment, packaging equipment, textile equipment, industrial air conditioners, UPS, motors, servo systems, communication equipment, variable frequency device, electric drives, etc.


    Model ATO-MT720-80
    Configuration 2 Stage
    Rated Current @ 40℃ 80A
    Rated Voltage 250/440V AC
    Operating Frequency 50/60Hz
    Phase Three Phase Three Wire
    Leakage Current (250VAC 50Hz @ 20℃) ≤6.0mA
    Filter Range 150KHz-30MHz
    Hipot Rating (one minute) Line to Line: 2250V DC 3S
    Line to Ground: 2700V DC 3S
    Climatic Category 25/085/21
    Working Tempearte -25°C~+85°C
    Output Termainal Threaded stud
    Weight 3.5kg
    Dimension See below

    Dimensions (Unit: mm)

    80A 3-phase EMI Line Filter Dimension

    Electrical Schematic

    3-phase 2-stage Power Line Filter Electrical Schematic

    Tips: What is a low pass filter?

    Low pass filter is an electrical filter device which only allows the signal lower than cut-off frequency to pass, and all the signal higher than cut-off frequency can’t pass. The performance of low pass filter in signal processing is similar to the rolling average performance in finance field. For different filter, the weakening degree of each frequency signal is different. Low pass filter has many types, of which, Butterworth, Chebyshev are often used.

    Low pass filter principle is very simple, making use of capacitor to pass high frequency and prevent low frequency, and inductor for low frequency pass and high frequency stop. The principle of low pass filter is, for the cut-off high frequency, prevent it by capacitor absorbing and inductor blocking; for low frequency needed, make it pass via the characteristics of capacitor with high resistance and inductive with low resistance.

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